时间 | 值 (%) | 世界排名 |
---|---|---|
2016 | 31.5 | 70 |
2015 | 31.1 | 72 |
2014 | 30.8 | 72 |
2013 | 30.4 | 77 |
2012 | 30.2 | 78 |
2011 | 30 | 82 |
2010 | 29.9 | 84 |
2009 | 29.9 | 87 |
2008 | 30 | 90 |
2007 | 30.2 | 90 |
2006 | 30.5 | 91 |
2005 | 31 | 91 |
2004 | 31.7 | 91 |
2003 | 32.6 | 90 |
2002 | 33.5 | 87 |
2001 | 34.3 | 87 |
2000 | 34.9 | 88 |
1999 | 35.7 | 87 |
1998 | 36.2 | 87 |
1997 | 36.7 | 87 |
1996 | 37.2 | 87 |
1995 | 37.6 | 88 |
1994 | 37.7 | 89 |
1993 | 37.7 | 89 |
1992 | 37.7 | 94 |
1991 | 37.6 | 97 |
1990 | 37.4 | 99 |
1989 | 37.3 | 100 |
1988 | 37.2 | 104 |
1987 | 37 | 108 |
1986 | 36.8 | 109 |